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EN 1.0050 Steel vs. 2618A Aluminum

EN 1.0050 steel belongs to the iron alloys classification, while 2618A aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is EN 1.0050 steel and the bottom bar is 2618A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
72
Elongation at Break, % 18
4.5
Fatigue Strength, MPa 190
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
27
Shear Strength, MPa 330
260
Tensile Strength: Ultimate (UTS), MPa 530
440
Tensile Strength: Yield (Proof), MPa 280
410

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Maximum Temperature: Mechanical, °C 400
230
Melting Completion (Liquidus), °C 1470
670
Melting Onset (Solidus), °C 1430
560
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 53
150
Thermal Expansion, µm/m-K 12
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
37
Electrical Conductivity: Equal Weight (Specific), % IACS 7.8
110

Otherwise Unclassified Properties

Base Metal Price, % relative 1.7
11
Density, g/cm3 7.9
3.0
Embodied Carbon, kg CO2/kg material 1.4
8.4
Embodied Energy, MJ/kg 18
150
Embodied Water, L/kg 45
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
19
Resilience: Unit (Modulus of Resilience), kJ/m3 210
1180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
47
Strength to Weight: Axial, points 19
41
Strength to Weight: Bending, points 18
44
Thermal Diffusivity, mm2/s 14
59
Thermal Shock Resistance, points 17
19

Alloy Composition


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Aluminum (Al), % 0
91.5 to 95.2
Copper (Cu), % 0
1.8 to 2.7
Iron (Fe), % 99.876 to 100
0.9 to 1.4
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 0
0 to 0.25
Nickel (Ni), % 0
0.8 to 1.4
Nitrogen (N), % 0 to 0.014
0
Phosphorus (P), % 0 to 0.055
0
Silicon (Si), % 0
0.15 to 0.25
Sulfur (S), % 0 to 0.055
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.15
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15